| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [art] [noun sg] [noun] is | 1000 |
|
| 2 | to ensure that [art] [noun] is | 152 |
|
| 3 | to ensure that [art] [noun sg] is | 150 |
|
| 4 | to ensure that [art] [noun sg] [noun] | 104 |
|
| 5 | to ensure [art] [noun sg] [noun] is | 5 |
|
